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Finding the Fourth Proportional to 627,679, 941,933.22 and 295,280.92

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Solution

The fourth proportional to 627,679, 941,933.22 and 295,280.92 is: 443,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,679 : 941,933.22 = 295,280.92 : x
  2. Step 2: Convert to fraction form
    627,679/941,933.22 = 295,280.92/x
  3. Step 3: Cross multiply
    627,679x = 941,933.22 × 295,280.92
  4. Step 4: Simplify right side
    627,679x = 278,134,907,780.16
  5. Step 5: Solve for x
    x = 278,134,907,780.16/627,679
  6. Step 6: Final answer
    x = 443,116.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.